也可能因果关系倒置，病毒多导致重症；病毒少引起轻症

来源: 吃与活于 2020-03-23 14:55:00 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.